Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10589444 | Mixer and mixing method for gypsum slurry | Ushio Sudo, Wataru Nakamura, Seigo Ishibashi | 2020-03-17 |
| 7691467 | Gypsum board | Tatsukazu Kimura, Norio Tsuno, Seigo Ishibashi, Kenichiro Osawa | 2010-04-06 |
| 7686902 | Method of fabricating plaster board | Tatsukazu Kimura, Norio Tsuno, Seigo Ishibashi, Kenichiro Osawa | 2010-03-30 |